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Class Information
Number: 382/291
Name: Image analysis > Image transformation or preprocessing > Measuring image properties (e.g., length, width, or area) > Determining the position of an object
Description: Subject matter wherein the properties extracted from an image result in a set of values representing spatial coordinates or features, such as document edges, and the position of an object relative to a reference.

Sub-classes under this class:

Class Number Class Name Patents
382/292 Where the object is a character, word, or text 116

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
5680487 System and method for determining optical flow Oct. 21, 1997
5619593 Method for extracting object images and method for detecting movements thereof Apr. 8, 1997
5617312 Computer system that enters control information by means of video camera Apr. 1, 1997
5608818 System and method for enabling a robotic arm to grip an object Mar. 4, 1997
5604820 Method for extracting object images and method for detecting movements thereof Feb. 18, 1997
5602939 Specific document discriminating apparatus and image reading apparatus using it therein Feb. 11, 1997
5594815 OCR image preprocessing method for image enhancement of scanned documents Jan. 14, 1997
5590224 OCR image preprocessing method for image enhancement of scanned documents by correction of registration Dec. 31, 1996
5581629 Method for estimating the location of an image target region from tracked multiple image landmark regions Dec. 3, 1996
5581632 Method and apparatus for ball bond inspection system Dec. 3, 1996
5557685 Process and device for determining the location of a target Sep. 17, 1996
5555312 Automobile apparatus for road lane and vehicle ahead detection and ranging Sep. 10, 1996
5555555 Apparatus which detects lines approximating an image by repeatedly narrowing an area of the image to be analyzed and increasing the resolution in the analyzed area Sep. 10, 1996
5535302 Method and apparatus for determining image affine flow using artifical neural system with simple cells and lie germs Jul. 9, 1996
5517585 System and method for stable analysis of sampled transients arbitrarily aligned with their sample points May. 14, 1996
5500906 Locating curvilinear objects using feathered fiducials Mar. 19, 1996
5499306 Position-and-attitude recognition method and apparatus by use of image pickup means Mar. 12, 1996
5491759 Document edge detection apparatus Feb. 13, 1996
5491757 Field tester gaze tracking using content addressable memories to improve image data analysis speed Feb. 13, 1996
5488675 Stabilizing estimate of location of target region inferred from tracked multiple landmark regions of a video image Jan. 30, 1996
5481622 Eye tracking apparatus and method employing grayscale threshold values Jan. 2, 1996
5481620 Adaptive vision system Jan. 2, 1996
5479526 Pixel designator for small objects Dec. 26, 1995
5465307 Parallel processing apparatus for recognizing an area marked with a closed loop Nov. 7, 1995
5444791 Moving body recognition apparatus Aug. 22, 1995
5444840 Multiple image font processing Aug. 22, 1995
5438636 Apparatus for simultaneously convolving multiple digital binary images using a single convolver with a binary mask to determine pixel densities Aug. 1, 1995
5430809 Human face tracking system Jul. 4, 1995
5430808 Image segmenting apparatus and methods Jul. 4, 1995
5414779 Image frame detection May. 9, 1995
5408541 Method and system for recognizing targets at long ranges Apr. 18, 1995
5406501 Method and device for use in detecting moving targets Apr. 11, 1995
5375177 Method of identifying and characterizing a valid object by color Dec. 20, 1994
5371810 Method of determining the interior points of an object in a background Dec. 6, 1994
5369265 Bar-code reader apparatus with an automatic read starting function Nov. 29, 1994
5365603 Method for analyzing movements in temporal sequences of digital images Nov. 15, 1994
5365596 Methods and apparatus for automatic image inspection of continuously moving objects Nov. 15, 1994
5323470 Method and apparatus for automatically tracking an object Jun. 21, 1994
5323473 Method and apparatus for detecting the leading and trailing edges of a document in an image based system Jun. 21, 1994
5321767 Method of forming a mask in image processing operation Jun. 14, 1994
5319723 Method of processing pattern data on the basis of ranked amplitude values, and apparatus for performing the method Jun. 7, 1994
5317652 Rotation and position invariant optical character recognition May. 31, 1994
5301240 High-speed video instrumentation system Apr. 5, 1994
5296690 System for locating and determining the orientation of bar codes in a two-dimensional image Mar. 22, 1994
5291564 System and method for acquiring an optical target Mar. 1, 1994
5272765 System for processing character images Dec. 21, 1993
5267325 Locating characters for character recognition Nov. 30, 1993
5263098 Object recognition method and apparatus for determining the presence and shape of an object Nov. 16, 1993
5263097 Parameter normalized features for classification procedures, systems and methods Nov. 16, 1993
5258855 Information processing methodology Nov. 2, 1993

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